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SYNTHETIC STEREO AND LANDSAT PICTURES

Digital image processing techniques can be used to introduce stereoscopic parallax into a composite data set consisting of digital terrain elevation data and corresponding digital television images. The technique was developed with part of a LANDSAT scene and digital elevation data provided by the Defense Mapping Agency. The geometry of the LANDSAT image was digitally modified to coincide with that of the elevation data set. Parallax was introduced as a simple linear function of terrain height at each picture element, to produce a stereoscopic mate to an image which has essentially no parallax.